Welcome to 1421 Watersedge Road, a masterfully renovated 4-bed, 4-bath estate in coveted Rattray Marsh, Mississauga's most sought-after enclaves, where luxury meets nature at your doorstep. Hear waves crashing in Lake Ontario and tranquility away from the city steps from Rattray Marsh, Watersedge Park, Port Credit, Clarkson Village, Ontario Racquet Club & top-rated private & public schools. Transformed top-to-bottom in upgrades and premium finishes, this turnkey home is built for family living, entertaining and work-from-home comfort. Open-concept great room features 10' ceilings and a custom stepped-floor layout designed for theatre-style seating. Chef's kitchen comes with new dual-countertops, matching backsplash with world-class appliances incl. Sub-Zero fridge, Sub-Zero dual-temp wine fridge, Wolf cooktop, Wolf microwave, Wolf Oven, Wolf warming drawer, Sirius range hood, a secondary Liebherr fridge-freezer, and Bosch dishwasher. A rare layout includes 2 main-floor offices, including one with heated floors, plus a custom 5-person basement office, professional gym with mirrored wall, second kitchen and Samsung washer/dryer. Upstairs features a new second-floor laundry room with LG washer/dryer and an upgraded second bath with soaker tub, frameless glass, dual vanities, designer tile and heated floors. Step outside into what can only be described as a 5-star private resort with a gated 9' deep pool with diving board, custom interlock, astroturf, 16'x25' fenced basketball court with lighting, extra-tall privacy fencing, faux greenery lattice, mature Magnolia, Norway Spruce and Japanese Maple trees, modern exterior/soffit lighting, timed landscape lighting and WiFi irrigation. Added peace of mind with Generac 24kW whole-home generator, 12-camera security system, larger A/C, second hot water tank, central vac and 2-car garage. A rare fully loaded estate offering luxury, privacy, security and year-round enjoyment. A true must-see!